1090 



MR. G. A. BOULEXGEE OX 



[Dec. 10, 



concealed under the skin. Dorsal 83, its distance from occipital 

 process i length of head. Anal 68. Both dorsal and anal 

 embracnig root of caudal. Pectoral f length of head, its spine 



Text-fig. 256. 



<mm> 



Clarias fouloni. 



serrated on inner side only and measuring | the length of the 

 fin. Ventral once and | as distant from caudal as from end 

 snout. Caudal nearly h length of head. Blackish brown, belly 

 paler brown. 



Total length 200 millim. 



Lake Bangwelu. 



32. Clarias sal.e. 



Hubrecht, Notes Leyd. Mus. iii. 1881, p. 68 ; Steindaclmer, 

 op. cit. xvi. 1894, p. 52. 

 Depth of body 9 to 12 times in total length, length of head 

 5 to 6 times. Head about 1^ as long as broad, finely granulate 

 above ; occipital process short, rounded or very obtusely pointed ; 

 fx-ontal fontanelle oval or sole-shaped, about twice as long as 

 broad ; occipital fontanelle smaller, in advance of occipital 

 process ; eye small, its diameter 2| to 3 times in length of snout, 

 4 to 5 1 times in interoi'bital width, which equals width of mouth 

 and |- length of head ; band of prfemaxillary teeth 4 times as 

 long as broad ; vomei^ine teeth conical, forming a crescentic band 

 which is nearly as broad as the prasmaxillary band ; nasal 

 barbel | length of head; maxillary barbel a little longer than 

 head, reaching end of pectoral ; inner mandibular barbel f length 

 of head, nearly | length of oiiter. Gill-rakers few, 8 to 10 on 

 first arch. Clavicles distinct under the thin skin, striated. 

 Dorsal 89-93, its distance from occipital process f to | length 

 of head. Anal 70-78. Dorsal and anal connected with base of 

 caudal by a narrow membrane. Pectoral | length of head, the 



